G9 vs. Z6 @ 2.8 in low light

Started 3 months ago | Questions thread
bobn2
bobn2 Forum Pro • Posts: 69,811
Re: G9 vs. Z6 @ 2.8 in low light
3

Sundre wrote:

I spent some time googling this + reading forum threads. It all got a bit too technical for me. Would anyone be able to give a simple, non-technical answer to this question:

If I shoot the same low-light event (concert etc.) with these two combos, how many stops do I gain with the Z6? Image stabilisation does not matter much since the subjects are moving.

Combo #1: Panasonic G9 + PL 35-100/2.8

Combo #2: Nikon Z6 + Nikon 70-200/2.8

I would love a really simple answer, something like "1/50s with #1 will look more or less like 1/125s with #2". I don't need a technically perfect answer, just a rough ballpark figure.

Unless I have misunderstood something, the two components involved in making the Z6 the better combo for low light is the sensor and the lens. I don't really understand the technical aspects of that, and I would prefer not to have to understand them either.

The reason I'm asking is, I've been offered a used Z6 for 1,000 €, but I'm not sure I want to spend that much. I realise it's a good price for a Z6 mark I in good condition, but I'm not rich. Getting some decent glass for it would be so expensive...

If I can get "good enough" results with something like the PL 35-100/2.8 or the Olympus 75/1.8 with my G9, I'm not sure I want to spend that much at this time.

Thank you

The simple answer is this. The Z6 with an f/2.8 lens will give similar results to the G9 with an f/2.8 in two stops lower light, simply because it gets four times the amount of photos on the photo and the sensors have very similar performance. However, the cost of the two stops extra is shallower DOF, so you need to decide whether that is a problem. As to what is 'good enough', only you can say what is good enough for you.

On the cost front, by and large you'll find that where there are mFT lenses that give the same low light performance a Z lenses, they will be larger and more expensive, often very much so. That is simply not where mFT is at its best.

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